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char: switch gs, cyclades and esp to return int for put_char

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Signed-off-by: Alan Cox <alan@redhat.com>
Cc: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alan Cox 2008-04-30 00:54:03 -07:00 • committed by Linus Torvalds
parent 257afa3cb6
commit 76b25a5509
4 changed files with 18 additions and 13 deletions
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2
include/linux/generic_serial.h
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@ -78,7 +78,7 @@ struct gs_port {
#define GS_DEBUG_WRITE 0x00000040
#ifdef __KERNEL__
void gs_put_char(struct tty_struct *tty, unsigned char ch);
int gs_put_char(struct tty_struct *tty, unsigned char ch);
int gs_write(struct tty_struct *tty,
const unsigned char *buf, int count);
int gs_write_room(struct tty_struct *tty);